Job Vacancy Trend Daily Rate Trend Daily Rate Histogram Hourly Rate Trend Hourly Rate Histogram Job Locations Skill Sets
Period
to 16 August 2018

The following table provides summary statistics for contract job vacancies advertised in Essex with a requirement for TDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited TDD over the 6 months to 16 August 2018 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Test-Driven Development (TDD)
6 months to
16 Aug 2018		 Same period 2017 Same period 2016
Rank 7 2 34
Rank change year-on-year -5 +32 -6
Contract jobs citing TDD 179 303 49
As % of all contract IT jobs advertised in Essex 18.17% 34.79% 5.46%
As % of the Processes & Methodologies category 20.29% 38.11% 6.45%
Number of daily rates quoted 152 229 33
Essex median daily rate £525 £513 £400
Median daily rate % change year-on-year +2.44% +28.13% -
10th Percentile £425 £310 £220
90th Percentile £600 £600 £485
East of England median daily rate £525 £488 £410
% change year-on-year +7.69% +18.90% +2.50%
Number of hourly rates quoted 5 23 5
Essex median hourly rate £59.38 £41.50 £31.00
Median hourly rate % change year-on-year +43.07% +33.87% -15.46%
10th Percentile £33.80 £35.00 £27.85
90th Percentile £75.00 £63.75 £34.36
East of England median hourly rate £50.94 £41.50 £33.95
% change year-on-year +22.74% +22.24% -20.12%

TDD is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Essex with a requirement for process or methodology skills.

All Process and Methodology Skills
Essex
Contract vacancies with a requirement for process or methodology skills 882 795 760
As % of all contract IT jobs advertised in Essex 89.54% 91.27% 84.63%
Number of daily rates quoted 527 537 389
Essex median daily rate £500 £450 £350
Median daily rate % change year-on-year +11.11% +28.57% -10.26%
10th Percentile £298 £275 £220
90th Percentile £600 £599 £516
East of England median daily rate £438 £425 £400
% change year-on-year +2.94% +6.25% +3.23%
Number of hourly rates quoted 32 59 161
Essex median hourly rate £31.75 £32.50 £19.00
Median hourly rate % change year-on-year -2.31% +71.05% -42.42%
10th Percentile £15.75 £12.18 £15.75
90th Percentile £60.09 £63.75 £42.84
East of England median hourly rate £17.50 £26.00 £25.00
% change year-on-year -32.69% +4.00% +9.89%

TDD
Job Vacancy Trend in Essex

Job postings citing TDD as a percentage of all IT jobs advertised in Essex.

Job vacancy trend for TDD in Essex

TDD
Contractor Daily Rate Trend in Essex

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing TDD in Essex.

Contractor daily rate trend for TDD in Essex

TDD
Contractor Daily Rate Histogram in Essex

The daily rate distribution of IT jobs citing TDD in Essex over the 6 months to 16 August 2018.

Contractor daily rate histogram for TDD in Essex

TDD
Contractor Hourly Rate Trend in Essex

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing TDD in Essex.

Contractor hourly rate trend for TDD in Essex

TDD
Contractor Hourly Rate Histogram in Essex

The hourly rate distribution of IT jobs citing TDD in Essex over the 6 months to 16 August 2018.

Contractor hourly rate histogram for TDD in Essex

TDD
Contract Job Locations in Essex

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the Essex region over the 6 months to 16 August 2018. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year		 Matching
Contract
IT Job Ads		 Median
Daily Rate
Past 6 Months		 Median Daily Rate
% Change
on Same Period
Last Year		 Live
Job
Vacancies
Southend-on-Sea -21 38 £538 +7.50% 4
Basildon +4 8 £488 - 3
Brentwood -1 8 £475 +48.44% 1
Harlow - 5 £475 - 1
Colchester +1 1 £700 +64.71% 3
TDD
East of England

For the 6 months to 16 August 2018, IT contractor jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the Essex region with a requirement for TDD.

1 149 (83.24%) Agile Software Development
2 102 (56.98%) Java
3 95 (53.07%) SOA
4 92 (51.40%) Scrum
5 91 (50.84%) Web Services
6 89 (49.72%) Manufacturing
6 89 (49.72%) Marketing
7 88 (49.16%) Greenfield Project
8 87 (48.60%) Finance
8 87 (48.60%) SOAP
8 87 (48.60%) Business Intelligence
9 86 (48.04%) Telecoms
9 86 (48.04%) Programme Management
10 85 (47.49%) Electronics
10 85 (47.49%) SAP
10 85 (47.49%) Digital Marketing
11 84 (46.93%) RESTful
12 81 (45.25%) XML
13 70 (39.11%) Oracle
14 66 (36.87%) JSON
15 65 (36.31%) Middleware
16 59 (32.96%) WSO2
17 56 (31.28%) Oracle SOA Suite
18 53 (29.61%) Kanban
18 53 (29.61%) Mule
18 53 (29.61%) Apache Camel
19 52 (29.05%) Oracle Service Bus
20 50 (27.93%) Test Automation
21 47 (26.26%) Continuous Integration
21 47 (26.26%) Maven

TDD
Co-occurring IT Skills in Essex by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 56 (31.28%) Oracle SOA Suite
2 53 (29.61%) Mule
3 52 (29.05%) Oracle Service Bus
4 22 (12.29%) Confluence
5 9 (5.03%) Apache
5 9 (5.03%) JBoss
6 6 (3.35%) WebSphere
7 5 (2.79%) Adobe Experience Manager
8 3 (1.68%) Cloud Foundry
8 3 (1.68%) WebLogic
9 2 (1.12%) CMS
10 1 (0.56%) Tomcat
Applications
1 2 (1.12%) Microsoft Project
Business Applications
1 1 (0.56%) IBM Operational Decision Manager
Cloud Services
1 13 (7.26%) Amazon AWS
2 12 (6.70%) GitHub
3 2 (1.12%) Google Analytics
Communications & Networking
1 21 (11.73%) HTTP
2 19 (10.61%) SSL
2 19 (10.61%) TCP/IP
3 8 (4.47%) Internet
4 1 (0.56%) SMS
Database & Business Intelligence
1 8 (4.47%) Pentaho
2 7 (3.91%) Relational Database
3 5 (2.79%) Impala
4 4 (2.23%) Geospatial Data
4 4 (2.23%) GIS
4 4 (2.23%) SQL Server
5 3 (1.68%) NoSQL
6 2 (1.12%) BusinessObjects
6 2 (1.12%) MySQL
7 1 (0.56%) Big Data
7 1 (0.56%) Data Warehouse
7 1 (0.56%) Hadoop
7 1 (0.56%) HBase
7 1 (0.56%) JasperReports
7 1 (0.56%) RDBMS
7 1 (0.56%) Triplestore
7 1 (0.56%) WebFOCUS
Development Applications
1 47 (26.26%) Maven
2 34 (18.99%) Jenkins
3 32 (17.88%) Git (software)
4 30 (16.76%) SoapUI
5 26 (14.53%) JIRA
6 25 (13.97%) Selenium
7 24 (13.41%) Subversion
8 21 (11.73%) JUnit
9 17 (9.50%) Gradle
10 16 (8.94%) JMeter
11 13 (7.26%) Cucumber
12 12 (6.70%) Calabash
13 8 (4.47%) LoadRunner
13 8 (4.47%) Zephyr
14 7 (3.91%) JIRA Agile
15 5 (2.79%) Eclipse
16 4 (2.23%) AccuRev
16 4 (2.23%) Android Studio
16 4 (2.23%) Ant
16 4 (2.23%) Bitbucket
General
1 89 (49.72%) Manufacturing
1 89 (49.72%) Marketing
2 87 (48.60%) Finance
3 86 (48.04%) Telecoms
4 85 (47.49%) Electronics
5 6 (3.35%) Automotive
6 1 (0.56%) Banking
6 1 (0.56%) Legal
6 1 (0.56%) Retail
Job Titles
1 88 (49.16%) Developer
2 46 (25.70%) Senior Developer
3 41 (22.91%) Java Developer
4 40 (22.35%) Integration Developer
5 25 (13.97%) SOA Developer
6 20 (11.17%) Tester
7 18 (10.06%) Scrum Master
8 17 (9.50%) Analyst
9 16 (8.94%) Agile Developer
9 16 (8.94%) Architect
9 16 (8.94%) Senior Java Developer
10 14 (7.82%) Automation Tester
11 13 (7.26%) Senior Agile Developer
12 12 (6.70%) Android Developer
12 12 (6.70%) Infrastructure Architect
12 12 (6.70%) Lead Developer
12 12 (6.70%) Lead Java Developer
13 11 (6.15%) Business Analyst
13 11 (6.15%) Technical Business Analyst
14 9 (5.03%) Technical Analyst
Libraries, Frameworks & Software Standards
1 91 (50.84%) Web Services
2 87 (48.60%) SOAP
3 84 (46.93%) RESTful
4 81 (45.25%) XML
5 66 (36.87%) JSON
6 65 (36.31%) Middleware
7 53 (29.61%) Apache Camel
8 36 (20.11%) Swagger
8 36 (20.11%) WireMock
8 36 (20.11%) XSLT
9 20 (11.17%) HTML
9 20 (11.17%) REST
10 15 (8.38%) Spring
11 13 (7.26%) Android SDK
12 10 (5.59%) Core Animation
12 10 (5.59%) Core Data
12 10 (5.59%) CSS
12 10 (5.59%) J2EE
13 8 (4.47%) Spring Boot
14 7 (3.91%) AngularJS
Miscellaneous
1 88 (49.16%) Greenfield Project
2 14 (7.82%) Self-Motivation
3 10 (5.59%) Animation
4 8 (4.47%) Client/Server
5 7 (3.91%) Clustering
5 7 (3.91%) Mobile App
6 6 (3.35%) Virtual Team
7 4 (2.23%) Enterprise Software
8 3 (1.68%) Analytical Skills
9 2 (1.12%) Hybrid Cloud
9 2 (1.12%) Replication
9 2 (1.12%) Web 2.0
10 1 (0.56%) Data Structures
10 1 (0.56%) Foreign Exchange (FX)
10 1 (0.56%) Mainframe
10 1 (0.56%) Tandem
Operating Systems
1 28 (15.64%) Linux
2 24 (13.41%) Unix
3 16 (8.94%) Android
4 5 (2.79%) Windows
5 4 (2.23%) Red Hat Enterprise Linux
6 3 (1.68%) Solaris
7 2 (1.12%) Apple iOS
8 1 (0.56%) Ubuntu
Processes & Methodologies
1 149 (83.24%) Agile Software Development
2 95 (53.07%) SOA
3 92 (51.40%) Scrum
4 87 (48.60%) Business Intelligence
5 86 (48.04%) Programme Management
6 85 (47.49%) Digital Marketing
7 53 (29.61%) Kanban
8 50 (27.93%) Test Automation
9 47 (26.26%) Continuous Integration
10 41 (22.91%) User Stories
11 33 (18.44%) BDD
12 30 (16.76%) DevOps
13 24 (13.41%) Coaching
13 24 (13.41%) Deployment Automation
14 22 (12.29%) Software Engineering
15 18 (10.06%) Scaled Agile Framework
16 17 (9.50%) MVC
16 17 (9.50%) Open Source
16 17 (9.50%) Pair Programming
17 16 (8.94%) User Acceptance Testing
Programming Languages
1 102 (56.98%) Java
2 42 (23.46%) Java 8
3 36 (20.11%) XPath
4 24 (13.41%) JavaScript
5 23 (12.85%) SQL
6 11 (6.15%) C
6 11 (6.15%) Groovy
7 10 (5.59%) Java 9
8 7 (3.91%) Perl
9 3 (1.68%) PL/SQL
10 2 (1.12%) Apple Swift
10 2 (1.12%) Bash Shell
10 2 (1.12%) C#
10 2 (1.12%) Kotlin
10 2 (1.12%) Objective-C
10 2 (1.12%) Ruby
10 2 (1.12%) Scala
10 2 (1.12%) Shell Script
11 1 (0.56%) C++
11 1 (0.56%) T-SQL
Qualifications
1 15 (8.38%) Security Cleared
2 14 (7.82%) SC Cleared
3 11 (6.15%) ISEB
4 10 (5.59%) ISTQB
5 2 (1.12%) BPSS Clearance
5 2 (1.12%) ISEB Practitioner
6 1 (0.56%) DBS Check
6 1 (0.56%) ISTQB Foundation Certification
Quality Assurance & Compliance
1 17 (9.50%) QA
2 6 (3.35%) Data Quality
System Software
1 6 (3.35%) Docker
2 5 (2.79%) Virtual Machines
3 3 (1.68%) Active Directory
Systems Management
1 23 (12.85%) Ansible
2 6 (3.35%) Opscode Chef
2 6 (3.35%) Puppet
3 5 (2.79%) Single Sign-On
4 4 (2.23%) HP Quality Center
5 3 (1.68%) Terraform
6 1 (0.56%) HP ALM
Vendors
1 85 (47.49%) SAP
2 70 (39.11%) Oracle
3 59 (32.96%) WSO2
4 8 (4.47%) Adobe
4 8 (4.47%) Talend
5 6 (3.35%) IBM
6 5 (2.79%) Google
6 5 (2.79%) Informatica
7 2 (1.12%) BEA
7 2 (1.12%) CA Agile Central
7 2 (1.12%) HP
7 2 (1.12%) Omniture
7 2 (1.12%) Pega
7 2 (1.12%) webMethods
8 1 (0.56%) Atlassian
8 1 (0.56%) Cloudera
8 1 (0.56%) Hortonworks
8 1 (0.56%) MapR
8 1 (0.56%) Microsoft